Home / 653,212,915.55-901,432,245.24-355,857,601.22

Finding the Fourth Proportional to 653,212,915.55, 901,432,245.24 and 355,857,601.22

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Solution

The fourth proportional to 653,212,915.55, 901,432,245.24 and 355,857,601.22 is: 491,082,629.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,212,915.55 : 901,432,245.24 = 355,857,601.22 : x
  2. Step 2: Convert to fraction form
    653,212,915.55/901,432,245.24 = 355,857,601.22/x
  3. Step 3: Cross multiply
    653,212,915.55x = 901,432,245.24 × 355,857,601.22
  4. Step 4: Simplify right side
    653,212,915.55x = 320,781,516,448,957,952
  5. Step 5: Solve for x
    x = 320,781,516,448,957,952/653,212,915.55
  6. Step 6: Final answer
    x = 491,082,629.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.